Ravi Kanbur is the T. H. Lee Professor of World Affairs and professor of economics at Cornell University. Anthony J.Venables is chief economist in the UK Department for International Development and professor of international economics at the London School of Economics. Anthony J. Venables is chief economist in the UK Department for International Development and professor of international economics at the London School of Economics. Guanghua Wan is a senior research fellow and project director at UNU-WIDER, Finland.